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A180577 as a simple table

n a(n)
1 15
2 80
3 195
4 360
5 575
6 840
7 1155
8 1520
9 1935
10 2400
11 2915
12 3480
13 4095
14 4760
15 5475
16 6240
17 7055
18 7920
19 8835
20 9800
21 10815
22 11880
23 12995
24 14160
25 15375
26 16640
27 17955
28 19320
29 20735
30 22200
31 23715
32 25280
33 26895
34 28560
35 30275
36 32040
37 33855
38 35720

[15,80,195,360,575,840,1155,1520,1935,2400,2915,
 3480,4095,4760,5475,6240,7055,7920,8835,9800,
 10815,11880,12995,14160,15375,16640,17955,19320,
 20735,22200,23715,25280,26895,28560,30275,32040,
 33855,35720]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)